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100 glasses are there. A servant has to supply glasses to a
person If he supplies the glasses without any damage he
will get 3 paise otherwise he will loose 3 paise. At the
end of supplying 100 glasses if he gets 270 paise, how many
glasses were supplied safely.
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Answer Posted / chris again
Wrong again: Answer is 95.
If there are x damaged glasses and y undamaged glasses then
x + y = 100
since each glass delivered undamaged is worth 3 points and
each damaged glass deducts 3 points:
and we know that the net result is 90 glasses worth of
points then:
x - y = 90 -----> x = 90 + y
(90 + y) + y = 100
2*y = 10 ---> y = 5
so if number of damaged glasses was 5 then undamaged must
be 100 - 5 = 95
| Is This Answer Correct ? | 20 Yes | 3 No |
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